document.writeln("                <!--选择题-->");
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document.writeln("                    <div class=\'modal-dialog\' role=\'document\'>");
document.writeln("                        <div class=\'modal-content\'>");
document.writeln("                            <div class=\'modal-header\'>");
document.writeln("                                <button type=\'button\' class=\'close\' data-dismiss=\'modal\' aria-label=\'Close\'><span aria-hidden=\'true\'>&times;</span></button>");
document.writeln("                                <h4 class=\'modal-title text-center\'>某选择题</h4>");
document.writeln("                            </div>");
document.writeln("                            <div class=\'modal-body\'>");
document.writeln("                                <div id=\'multiple-title\' class=\'block-border\'>");
document.writeln("                                    拉格朗日中值定理可以用来推导什么。");
document.writeln("                                </div>");
document.writeln("                                <h3>答案</h3>");
document.writeln("                                <div id=\'multiple-answer\' class=\'block-border\'>");
document.writeln("                                    <p>A.洛必达法则</p>");
document.writeln("                                    <p>B.万有引力定律</p>");
document.writeln("                                    <p class=\'answer-select\'>C.微积分</p>");
document.writeln("                                    <p>D.多方定理</p>");
document.writeln("                                </div>");
document.writeln("                                <h3>详解</h3>");
document.writeln("                                <div id=\'multiple-detail\' class=\'block-border\'>");
document.writeln("                                    拉格朗日中值定理当然是用来推导微积分的啦。");
document.writeln("                                </div>");
document.writeln("                            </div>");
document.writeln("                            <div class=\'modal-footer\'>");
document.writeln("                                <button type=\'button\' class=\'btn btn-default\' data-dismiss=\'modal\'>关闭</button>");
document.writeln("                            </div>");
document.writeln("                        </div>");
document.writeln("                    </div>");
document.writeln("                </div>");
document.writeln("                <!--判断题-->");
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document.writeln("                    <div class=\'modal-dialog\' role=\'document\'>");
document.writeln("                        <div class=\'modal-content\'>");
document.writeln("                            <div class=\'modal-header\'>");
document.writeln("                                <button type=\'button\' class=\'close\' data-dismiss=\'modal\' aria-label=\'Close\'><span aria-hidden=\'true\'>&times;</span></button>");
document.writeln("                                <h4 class=\'modal-title text-center\'>某判断题</h4>");
document.writeln("                            </div>");
document.writeln("                            <div class=\'modal-body\'>");
document.writeln("                                <div id=\'estimate-title\' class=\'block-border\'>");
document.writeln("                                    费马大定理是费马证明出来的吗？");
document.writeln("                                </div>");
document.writeln("                                <h3>答案</h3>");
document.writeln("                                <div id=\'estimate-answer\' class=\'block-border\'>");
document.writeln("                                    正确");
document.writeln("                                </div>");
document.writeln("                                <h3>详解</h3>");
document.writeln("                                <div id=\'estimate-detail\' class=\'block-border\'>");
document.writeln("                                    费马大定理是费马提出来的，所以才叫费马大定理。");
document.writeln("                                </div>");
document.writeln("                            </div>");
document.writeln("                            <div class=\'modal-footer\'>");
document.writeln("                                <button type=\'button\' class=\'btn btn-default\' data-dismiss=\'modal\'>关闭</button>");
document.writeln("                            </div>");
document.writeln("                        </div>");
document.writeln("                    </div>");
document.writeln("                </div>");
document.writeln("                <!--填空题-->");
document.writeln("                <div class=\'modal fade\' id=\'completion\' tabindex=\'-1\' role=\'dialog\'>");
document.writeln("                    <div class=\'modal-dialog\' role=\'document\'>");
document.writeln("                        <div class=\'modal-content\'>");
document.writeln("                            <div class=\'modal-header\'>");
document.writeln("                                <button type=\'button\' class=\'close\' data-dismiss=\'modal\' aria-label=\'Close\'><span aria-hidden=\'true\'>&times;</span></button>");
document.writeln("                                <h4 class=\'modal-title text-center\'>某填空题</h4>");
document.writeln("                            </div>");
document.writeln("                            <div class=\'modal-body\'>");
document.writeln("                                <div id=\'completion-title\' class=\'block-border\'>");
document.writeln("                                    ____是一款方块风格的沙箱游戏，它是由____(编程语言)来写的。");
document.writeln("                                </div>");
document.writeln("                                <h3>答案</h3>");
document.writeln("                                <div id=\'completion-answer\' class=\'block-border\'>");
document.writeln("                                    <p>1.我的世界</p>");
document.writeln("                                    <p>2.C++ 或 Java</p>");
document.writeln("                                </div>");
document.writeln("                                <h3>详解</h3>");
document.writeln("                                <div id=\'completion-detail\' class=\'block-border\'>");
document.writeln("                                    我的世界是一款方块风格的沙箱游戏，它现在由两个实现的版本，一种是C++一种是Java。");
document.writeln("                                </div>");
document.writeln("                            </div>");
document.writeln("                            <div class=\'modal-footer\'>");
document.writeln("                                <button type=\'button\' class=\'btn btn-default\' data-dismiss=\'modal\'>关闭</button>");
document.writeln("                            </div>");
document.writeln("                        </div>");
document.writeln("                    </div>");
document.writeln("                </div>");